linux-kernel - Re: [PATCH v8 3/3] Revert "mm/memory-failure.c: fix race with changing page compound again"

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Message-ID: <79bb1d5b-1518-f6ca-e375-2666eee19e90@oracle.com>
Date:   Thu, 14 Apr 2022 10:59:33 -0700
From:   Mike Kravetz <mike.kravetz@...cle.com>
To:     Naoya Horiguchi <naoya.horiguchi@...ux.dev>, linux-mm@...ck.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Yang Shi <shy828301@...il.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Naoya Horiguchi <naoya.horiguchi@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 3/3] Revert "mm/memory-failure.c: fix race with
 changing page compound again"

On 4/8/22 06:53, Naoya Horiguchi wrote:
> From: Naoya Horiguchi <naoya.horiguchi@....com>
> 
> Reverts commit 888af2701db7 ("mm/memory-failure.c: fix race with
> changing page compound again") because now we fetch the page refcount
> under hugetlb_lock in try_memory_failure_hugetlb() so that the race
> check is no longer necessary.
> 
> Suggested-by: Miaohe Lin <linmiaohe@...wei.com>
> Signed-off-by: Naoya Horiguchi <naoya.horiguchi@....com>
> ---
>  include/linux/mm.h      |  1 -
>  include/ras/ras_event.h |  1 -
>  mm/memory-failure.c     | 11 -----------
>  3 files changed, 13 deletions(-)

Thanks!

Reviewed-by: Mike Kravetz <mike.kravetz@...cle.com>
-- 
Mike Kravetz